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/*
* $Id: FontState.java,v 1.23 2003/03/06 22:19:16 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.layout;
import java.util.Map;
import org.apache.fop.fonts.CodePointMapping;
import org.apache.fop.fonts.FontMetrics;
/**
* This class holds font state information and provides access to the font
* metrics.
*/
public class FontState {
private String fontName;
private int fontSize;
//private String fontFamily;
//private String fontStyle;
//private int fontWeight;
/**
* normal or small-caps font
*/
//private int fontVariant;
private FontMetrics metric;
/**
* Main constructor
* @param key key of the font
* @param met font metrics
* @param fontSize font size
*/
public FontState(String key, FontMetrics met, int fontSize) {
this.fontName = key;
this.metric = met;
this.fontSize = fontSize;
}
/**
* Returns the font's ascender.
* @return the ascender
*/
public int getAscender() {
return metric.getAscender(fontSize) / 1000;
}
/**
* Returns the font's CapHeight.
* @return the capital height
*/
public int getCapHeight() {
return metric.getCapHeight(fontSize) / 1000;
}
/**
* Returns the font's Descender.
* @return the descender
*/
public int getDescender() {
return metric.getDescender(fontSize) / 1000;
}
/**
* Returns the font's name.
* @return the font name
*/
public String getFontName() {
return fontName;
}
/**
* Returns the font size
* @return the font size
*/
public int getFontSize() {
return fontSize;
}
/**
* Returns the XHeight
* @return the XHeight
*/
public int getXHeight() {
return metric.getXHeight(fontSize) / 1000;
}
/**
* Returns the font's kerning table
* @return the kerning table
*/
public Map getKerning() {
Map ret = metric.getKerningInfo();
if (ret != null) {
return ret;
} else {
return java.util.Collections.EMPTY_MAP;
}
}
/**
* Returns the width of a character
* @param charnum character to look up
* @return width of the character
*/
public int getWidth(int charnum) {
// returns width of given character number in millipoints
return (metric.getWidth(charnum, fontSize) / 1000);
}
/**
* Map a java character (unicode) to a font character.
* Default uses CodePointMapping.
* @param c character to map
* @return the mapped character
*/
public char mapChar(char c) {
if (metric instanceof org.apache.fop.fonts.Font) {
return ((org.apache.fop.fonts.Font)metric).mapChar(c);
}
// Use default CodePointMapping
char d = CodePointMapping.getMapping("WinAnsiEncoding").mapChar(c);
if (d != 0) {
c = d;
} else {
c = '#';
}
return c;
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append('(');
/*
sbuf.append(fontFamily);
sbuf.append(',');*/
sbuf.append(fontName);
sbuf.append(',');
sbuf.append(fontSize);
/*
sbuf.append(',');
sbuf.append(fontStyle);
sbuf.append(',');
sbuf.append(fontWeight);*/
sbuf.append(')');
return sbuf.toString();
}
}
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